intransitive verb
Definition: To be without something that is needed or desired.
Example: He does not lack confidence when speaking in public.
noun
Definition: A situation where something is missing or not enough, often referring to a need or deficiency.
Example: The lack of resources made it difficult to complete the project.
transitive verb
Definition: To not have something that is needed or desired.
Example: She lacked the confidence to speak in front of the crowd.